Update app.py

app.py

@@ -10,7 +10,7 @@ def greet(image, name, is_morning, temperature):
     # https://docs.opencv.org/4.x/d3/dc1/tutorial_basic_linear_transform.html
     in_contrast = 1.0
     in_brightness = 50
-    new_image = cv.convertScaleAbs(image, alpha=in_contrast, beta=in_brightness)
+    new_image = cv2.convertScaleAbs(image, alpha=in_contrast, beta=in_brightness)
     return new_image, greeting, round(celsius, 2)